diff --git a/build.gradle b/build.gradle
index c79af71..cff4373 100644
--- a/build.gradle
+++ b/build.gradle
@@ -36,8 +36,8 @@ dependencies {
     runtimeOnly 'org.eclipse.angus:angus-activation:2.0.2'
 
     // Lombok
-    compileOnly 'org.projectlombok:lombok:1.18.38'
-    annotationProcessor 'org.projectlombok:lombok:1.18.38'
+    compileOnly 'org.projectlombok:lombok:1.18.40'
+    annotationProcessor 'org.projectlombok:lombok:1.18.40'
 
     // Log
     implementation 'org.slf4j:slf4j-api:2.0.17'
@@ -52,9 +52,9 @@ dependencies {
     testImplementation 'org.junit.jupiter:junit-jupiter:5.13.4'
     testRuntimeOnly 'org.junit.platform:junit-platform-launcher'
     testImplementation 'org.mockito:mockito-core:5.19.0'
-    testImplementation 'org.projectlombok:lombok:1.18.38'
-    testCompileOnly 'org.projectlombok:lombok:1.18.38'
-    testAnnotationProcessor 'org.projectlombok:lombok:1.18.38'
+    testImplementation 'org.projectlombok:lombok:1.18.40'
+    testCompileOnly 'org.projectlombok:lombok:1.18.40'
+    testAnnotationProcessor 'org.projectlombok:lombok:1.18.40'
 }
 
 tasks.withType(JavaCompile) {